How to destroy bullet clone

Hello,

I spend 1 hour on that and I didn't find/make a script to destroy ONLY bullet clone,

Code (JavaScript):

1. #pragma strict
2.  
3. function Start () {
4.  
5. }
6.  
7. function Update () {
8. Destroy (this.gameObject, 5);
9. }

The problem with this code destroy my entire script, and then, I can't fire with gun.

Thank you in advance.

 

1 way would be to store the current bullet clones in a list and then just destroy a specific one
You could also give the bullet the script, that destroy it using GameObject.Destroy(gameObject) (don't use this.)
If you want ot destroy the bullet after a specific time, you could the first two method with a counter oooor, you could set up a coroutine, that takes in a bullet and then after a specified time (yield WaitForSeconds(5) in US) destroy it

-------------AVOID AT ALL COSTS----------------USE ONLY IF NECESSARY----------
GameObject.Find ("Bullet(Clone)") works
Give it a tag right after instantiation and then GameObject.FindGameObjectWithTag
-----------------------------------------------------------------------------------------------------------

 

Code (csharp):

1. function FireBullet() {
2.     var bullet : GameObject = (GameObject) Instantiate(TheBulletPrefab); // spawn bullet instance
3.     Destroy(bullet, 5); // Destroy bullet instance after 5 seconds
4. }

Or add this script to your bullet

Code (csharp):

1. function Awake() {
2.     Destroy(gameObject, 5);
3. }

Your original bullet should be a prefab in the Project Panel, not in the scene.

 

thank all of you for your reply,

I find this, it is a little old

Code (JavaScript):

1. #pragma strict
2.  
3.  
4. var projectile : Rigidbody;
5. var speed = 20;
6.  
7. function Update () {
8. if(Input.GetButton("Fire1"))
9. {
10. clone = instantiate(projectile, transform.position, transform.rotation);
11. clone.velocity = transform.TransformDirection(Vector3(0,0, speed));
12. Destroy (clone.gameObject, 3);
13. }
14. }
15.  

In fact, I used a gameObject whereas we have to do use a prefab, I didn't know that.

With this code, I have a error BCE 0005, he didn't know clone, how can I fix that ?

Thx in advance

 

At first glance
1. You didn't declare the clone variable (var clone : Rigidbody)
2. Instantiate should be capitalized

 

I rectify it, but, like you say, I have a other error BCE 0005 : unknow : 'instantiate'

Code (JavaScript):

1. #pragma strict
2.  
3.  
4. var projectile : Rigidbody;
5. var clone : Rigidbody;
6. var speed = 20;
7.  
8. function Update () {
9. if(Input.GetButton("Fire1"))
10. {
11. clone = instantiate(projectile, transform.position, transform.rotation);
12. clone.velocity = transform.TransformDirection(Vector3(0,0, speed));
13. Destroy (clone.gameObject, 3);
14. }
15. }
16.  

 

I already gave you the solution in the previous post

It is case sensitive, it should be capitalized. Instantiate

I would also declare the clone var inside of Update, you won't be using it anywhere else.

 

Code (JavaScript):

1. #pragma strict
2.  
3. var projectile : Rigidbody;
4. var speed = 20;
5.  
6.  
7. function Update () {
8. var clone : Rigidbody;
9. if(Input.GetButton("Fire1"))
10. {
11.  
12. clone = instantiate(projectile, transform.position, transform.rotation);
13. clone.velocity = transform.TransformDirection(Vector3(0,0, speed));
14. projectile =(GameObject) Instantiate(clone); // I include your fonction FireBullet
15. Destroy(projectile, 5);
16.  
17. }
18. }
19. [/code

 

I have a other error UCE 0001 ';' (13,25)excepted, I don't understand it, where is my error ?

 

I recommend you take a stroll through the learn section: http://unity3d.com/learn

These are pretty basic errors best solved through the use of tutorials.

 

I will see it, thank you for your replies

 

Since yesterday, I tried to find a solution and now, it's resolve now :

I had just to put this script :

Code (JavaScript):

1. #pragma strict
2.  
3. function Start () {
4.  
5. }
6.  
7. function Update () {
8. Destroy (this.gameObject, 5);
9. }
10.  

On bullet fab, and it's work !!

 

If using that method (as in - self destruct script as a separate component), you may want to move the Destroy call to Start (or OnEnable, or Awake). Right now it will get called every frame, wasting resources.

Don't put more into Update than you want to get called every single frame, it will bite back very soon. Especially with things like bullets that can appear in large numbers.

 

PRO TIP:
Don't use prefabs as a bullet
Why?
Unity runs physics checks every 1/x seconds (where x is the amount of checks in a sec). If a bullet is really fast, like normal bullets, th bullet will move trough walls, enemies, players, prefabs etc. and it will most likely skip the detection, so your bullet will not hit. If your bullet is slow, so it can hit the obstacle, it will fall to the ground pretty easily and it will look kinda pathetic.
How do you solve this:
In reality bullets move... (quick google search) 1200 m/s (YES, i will use the metric system). If the ground is completely flat and a human holds the gun at around 1.5 m in height, then (calculating) the bullet will travel 0.54 * 1200 = 648 meters before falling on the ground. This is a lot if you're not making the new "Skyrim with guns". So gravity with bullets is not a thing that really matters (and who the f*ck wants to calculate the difference before shooting anyways?) So the best solution is to use raycast and just add a particle effect to the muzzle for the show

 

I won't tell you one way or the other on how you should do your bullets, but @gorbit99 your info on why not to use physics is out of date as of Unity5. Refer to this thread:

http://forum.unity3d.com/threads/hi...vs-projectile-simulation.334463/#post-2188153

my post in that thread shows a very basic weapon with a physics bullet with a velocity set to 1000:

https://dl.dropboxusercontent.com/u/1475775/UnityForumsStuff/RigidTest/RigidTest.html (webplayer build so IE only I guess since all other browsers dropped plugins)